CAS No. 51773-92-3

Batch: Purity:99.99
Mefloquine HCl Chemical Structure
Chemical Structure
Check the Mefloquine HCl product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 51773-92-3
Molecular Formula

C17H17ClF6N2O

Molecular Weight (MW) 414.77
SMILES C1CCNC(C1)C(C2=CC(=NC3=C2C=CC=C3C(F)(F)F)C(F)(F)F)O.Cl

Biological Activity

Mefloquine HCl is an antimalarial drug and blood schizonticide that acts by inhibiting hemozoin formation in Plasmodium parasites. It targets the Plasmodium falciparum 80S ribosome to inhibit protein synthesis and selectively blocks Cx36 and Cx50 gap junction channels. Through the inhibition of ribosomal translation and disruption of intercellular connexin signaling pathways, Mefloquine HCl suppresses parasite survival and alters cellular communication. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
Ethanol 83 mg/mL
DMSO 50 mg/mL (120.54 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water Insoluble
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).
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Reference

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Note: Technical data last updated: Sep 1, 2026.